The quadrilateral that must have diagonals that are congruent and perpendicular is the square. This is because its diagonals form a right angle at its center.
Yes they are. Or they could have three pairs of congruent sides, or they could have one pair of congruent angles and two pairs of sides. As far as a triangle goes, if you have at least three pairs of congruent sides or angles they are congruent. This answer is wrong. The triangles are only similar. For congruent trisngles we have the following theorems = Side - side - side, Side - Angle - side , Angle - angle - side, Right triangle - hypotenuse - side.
Iy is either a 'Parallelogram' or a 'Rhombus'.
a square
a quadrilateral with no right angle is?
A rectangle
A rectangle.
Square
rhombus
parallelogram
a square
A square
-- Rhombus -- Regular parallelogram
Yes
It is a rhombus or a parallelogram
The quadrilateral that must have diagonals that are congruent and perpendicular is the square. This is because its diagonals form a right angle at its center.
Square